CN112723151A - Integral roof hoisting and mounting method for assembly type steel structure building - Google Patents
Integral roof hoisting and mounting method for assembly type steel structure building Download PDFInfo
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- CN112723151A CN112723151A CN202011626364.2A CN202011626364A CN112723151A CN 112723151 A CN112723151 A CN 112723151A CN 202011626364 A CN202011626364 A CN 202011626364A CN 112723151 A CN112723151 A CN 112723151A
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- roof
- rotating
- steel
- hoisting
- plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
- B66C1/445—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces motor actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
- B66D1/7442—Capstans having a horizontal rotation axis
- B66D1/7447—Capstans having a horizontal rotation axis driven by motor only
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of building hoisting, in particular to a hoisting device for a hoisting and mounting method of an integral roof of an assembly type steel structure building. According to the invention, the tension mechanism in the hoisting device is started to perform the steel cable releasing operation, so that the whole roof M is gradually lowered until the roof M covers the roof and then is directly welded, compared with the traditional mode that a single steel plate is moved to the roof and then welded one by one to form the roof, the operation is to weld the steel plates in a comfortable area and then integrally hoist the whole roof, the efficiency is high, the welding of the whole roof is better and more convenient, and the driving motor in the tension mechanism is started to drive the winding roller to reversely rotate for winding, so that the stability of the roof steel plate during hoisting is improved, and the wind resistance of the horizontal plane when the roof steel plate ascends is reduced.
Description
Technical Field
The invention relates to the technical field of building hoisting, in particular to a method for hoisting and mounting an integral roof of an assembly type steel structure building.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer. The steel structure is easy to rust, and generally the steel structure needs to be derusted, galvanized or painted, and needs to be maintained regularly.
And the steel construction roofing generally adopts the form that single steel sheet moved to the roof portion and then welded one by one and form the roof at present, need set up the built-in fitting on the girth, welds the special angle steel that leads to long arranging on it, and steel construction roofing arch foot can adopt bolted connection or self-tapping nail to be connected with the angle steel on the girth, can not go the roof and carry out the construction meetting bad weather, not only leads to holistic work efficiency low easily, and the installer that needs is more, and work is difficult for developing.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for hoisting and installing the integral roof of an assembly type steel structure building.
The technical scheme adopted by the invention for solving the technical problems is as follows: a method for hoisting and installing an integral roof of an assembled steel structure building comprises the following specific steps:
s1, welding and forming the steel plate covered on one side surface of the roof in advance to form a roof M by the welded and formed steel plate;
s2, clamping and limiting two sides of the eave of the roof M by using a lower clamp assembly in the hoisting device, and clamping and limiting the roof in the roof M by using an upper clamp assembly in the hoisting device;
s3, contracting the steel cable by using a tension mechanism in the hoisting device to enable the upper clamp assembly to pull up the roof in the roof M, retracting the roof M into a portal frame in the hoisting device, and enabling the gravity center of the roof M and the gravity center of the portal frame to be close to each other;
s4, hanging a lifting hook in the lifting device through a steel rope hook on the lifting machine, and lifting the lifting device to be flush with the eave of the steel structure building roof;
s5, after the part of the roof M clamped by the lower clamp assembly corresponds to the eave of the steel structure building, building personnel start a tension mechanism in the hoisting device to perform steel cable releasing operation, so that the whole roof M is gradually released until the roof M covers the roof;
and S6, welding the roof M to the roof of the steel structure building by a constructor in a welding mode.
Preferably, the hoisting device comprises a portal frame, an upper clamp assembly and a lower clamp assembly arranged on the portal frame, wherein a tension mechanism used for connecting the upper clamp assembly is arranged on the portal frame, and the upper clamp assembly is hoisted through the tension mechanism;
go up the clamp subassembly and include roof, backplate, resistance plate, commentaries on classics board and second pneumatic cylinder, the backplate of roof lower surface has the backplate along fixed mounting, and the front bezel of roof lower surface has the resistance plate along fixed mounting, the resistance plate is installed through the round pin axle and is rotated the commentaries on classics board of connecting, and the preceding terminal surface of resistance plate has the second pneumatic cylinder of multiunit symmetric distribution through screw fixed mounting, the output of second pneumatic cylinder is articulated through the outer wall of ball hinge with commentaries on classics board.
Preferably, in the hoisting device, the tension mechanism comprises a driving motor, a rotating rod and winding rollers, the rotating rod is rotatably mounted on the inner frame surface of the portal frame close to the top, two groups of symmetrically distributed winding rollers are fixedly sleeved on the rotating rod, the driving motor is fixedly mounted on the outer wall of one side of the portal frame through a rack, and the output end of the driving motor is fixedly connected with one end of the rotating rod;
two groups of wire winding rollers on the rotating rod are wound with steel cables with enough length, and the other ends of the two steel cables are fixedly tied on a top plate in the upper clamping assembly and are symmetrically distributed.
Preferably, a middle cross beam is fixedly welded on the portal frame below the tension mechanism, two groups of first hydraulic cylinders which are symmetrically distributed are fixedly mounted on the middle cross beam, and an output end of each group of first hydraulic cylinders is provided with an adjusting component;
the output end of the first hydraulic cylinder and the direction of the upper clamp assembly installed on the portal frame are consistent.
Preferably, in the hoisting device, the adjusting assembly comprises an installation frame, a wire guide roller and a buffer member, the installation frame is fixedly installed at the output end of the first hydraulic cylinder, the wire guide roller is rotatably connected to the installation frame, the buffer member is installed on the installation frame, and the steel cable bypassing the wire guide roller is buffered by the buffer member;
the mounting frame and the first hydraulic cylinder are fixed in a welding or screw connection mode;
the steel cable winds around the wire guide roller and penetrates through the buffer part to be fixedly connected with the top plate in the upper clamp assembly.
Preferably, the buffer part comprises a mounting plate, a rotating plate, a buffer roller and a spring, the mounting plate is fixedly mounted on the mounting frame, the rotating plate is rotatably connected with the lower surface of the mounting plate, the buffer roller is rotatably connected with the lower surface of the rotating plate, which is far away from one side of the wire guide roller, and the upper surface of the rotating plate, which is far away from one side of the wire guide roller, is elastically connected with the mounting plate through the spring;
the wire rope passes around the buffer roller and is in rolling contact with the buffer roller.
Preferably, according to the hoisting device, the lower clamping assemblies are installed at the bottoms of the two gantry columns of the gantry frame and comprise installation blocks, rotation pieces, screws, driving pieces, limiting rods, threaded connection blocks and clamping plates, the installation blocks are installed at the bottoms of the gantry columns in a rotating mode through the rotation pieces, the screws connected in a rotating mode are installed on the installation blocks, two opposite thread sections are respectively arranged on the two sides of each screw, the threaded connection blocks in threaded connection are installed on each thread section, the clamping plates distributed oppositely are installed on the threaded connection blocks, the limiting rods are fixedly installed on the installation blocks on the two sides of each screw, the two limiting rods respectively penetrate through sliding through holes formed in the two threaded connection blocks, the driving pieces are installed on the installation blocks, and the screws are driven to rotate through the driving pieces.
Preferably, the rotating part comprises a rotating disc and U-shaped connecting steel, the rotating disc is rotatably installed on a portal column of the portal frame through a pin shaft, one end of the U-shaped connecting steel is fixedly welded on the rotating disc, and the other end of the U-shaped connecting steel is fixedly welded with the installing block.
Preferably, the driving piece is including rotating motor, driving gear, driven gear and cingulum, rotate the motor and pass through frame fixed mounting in the mounting groove that the installation piece was seted up, and the output fixed mounting who rotates the motor has the driving gear, the fixed cover of driven gear is connected at the middle part of lead screw, and driven gear passes through the cingulum meshing with the driving gear and is connected.
Preferably, a plurality of lifting hooks with the same specification are fixedly welded at the top of the portal frame.
The invention has the beneficial effects that:
1. according to the invention, the tension mechanism in the hoisting device is started to carry out steel cable releasing operation, so that the whole roof M is gradually released until the roof M covers the roof and then is directly welded, compared with the traditional mode that a single steel plate is moved to the roof and then is welded one by one to form the roof, the operation is carried out by welding the steel plates in a comfortable area and then integrally hoisting, the efficiency is high, and the welding of the whole roof is better and more convenient;
2. according to the invention, the winding roller is driven to rotate reversely by the driving motor in the tension mechanism to perform winding operation until the lifting position at the top of the roof steel plate is gradually vertical, so that the stability of the roof steel plate during lifting is improved, and the wind resistance of a horizontal plane during lifting of the roof steel plate is reduced;
3. according to the invention, before the roof steel plate is hung, the first hydraulic cylinder is started to push the first hydraulic cylinder out of the mounting frame, so that the top of the roof steel plate is fixed and limited by the upper clamping assembly, after the roof steel plate is fixed and limited, the stroke of the first hydraulic cylinder is recovered, and the roof steel plate is wound up by using the tension mechanism, so that the roof steel plate has a good transition period when gradually changing into a vertical plane, and meanwhile, the spring in the buffer piece is stretched after the buffer roller is pulled by the gravity of the roof steel plate, so that the problem of breakage of a steel cable caused by overlarge instantaneous tension can be avoided;
4. when the roof steel plate is hung on the crane to be attached to the roof, the tension mechanism is utilized for paying off, and meanwhile, the first hydraulic cylinder is started to push the mounting frame out, so that the roof steel plate has a good transition period when gradually changing into an inclined plane, and the roof steel plate is prevented from being difficult to adjust and is not corresponding to the roof due to the fact that the roof steel plate is declined too fast.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of an overall structure of a hoisting device in a method for hoisting and installing an integral roof of an assembled steel structure building according to a preferred embodiment of the invention;
FIG. 2 is a schematic structural diagram of a tension mechanism in the hoisting device shown in FIG. 1;
FIG. 3 is a schematic structural view of an adjusting assembly in the hoisting device shown in FIG. 1;
FIG. 4 is a schematic structural view of an upper clamp assembly of the hoist apparatus shown in FIG. 1;
FIG. 5 is a schematic view of a lower clamp assembly of the hoist apparatus shown in FIG. 1;
fig. 6 is a second schematic structural view of a lower clamp assembly in the hoisting device shown in fig. 1.
In the figure: 1. a gantry; 2. a middle cross beam; 3. a tension mechanism; 31. a drive motor; 32. rotating the rod; 33. a winding roll; 4. a first hydraulic cylinder; 5. an adjustment assembly; 51. a mounting frame; 52. a wire guide roller; 53. a buffer member; 531. mounting a plate; 532. a rotating plate; 533. a buffer roller; 534. a spring; 6. a steel cord; 7. an upper clamp assembly; 71. a top plate; 72. a tailgate; 73. blocking the plate; 74. rotating the plate; 75. a second hydraulic cylinder; 8. a lower clamp assembly; 81. mounting blocks; 82. a rotating member; 821. a turntable; 822. u-shaped connecting steel; 83. a lead screw; 84. a drive member; 841. rotating the motor; 842. a driving gear; 843. a driven gear; 844. a toothed belt; 85. a limiting rod; 86. a threaded connection block; 87. a clamping plate; 9. and (4) a lifting hook.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Please refer to fig. 1 to fig. 6, wherein fig. 1 is a schematic view of an overall structure of a hoisting device according to a preferred embodiment of the hoisting installation method for an integral roof of an assembled steel structure building provided by the present invention; FIG. 2 is a schematic structural diagram of a tension mechanism in the hoisting device; FIG. 3 is a schematic view of the adjusting assembly of the hoist; FIG. 4 is a schematic structural view of an upper clamp assembly of the lifting device; FIG. 5 is a schematic structural view of a lower clamp assembly of the lifting device; fig. 6 is a second schematic structural view of a lower clamp assembly in the lifting device.
The invention relates to a method for hoisting and mounting an integral roof of an assembly type steel structure building, which comprises the following specific steps:
s1, welding and forming the steel plate covered on one side surface of the roof in advance to form a roof M by the welded and formed steel plate;
s2, clamping and limiting two sides of the eave of the roof M by using a lower clamp assembly 8 in the hoisting device, and clamping and limiting the roof in the roof M by using an upper clamp assembly 7 in the hoisting device;
s3, the steel cable 6 is contracted by the aid of the tension mechanism 3 in the hoisting device, so that the upper clamp assembly 7 pulls up the roof in the roof M, the roof M is retracted into the portal frame 1 in the hoisting device, and the gravity center of the roof M is close to that of the portal frame 1;
s4, hanging a lifting hook 9 in the lifting device through a steel rope hook on the lifting machine, and lifting the lifting device to be flush with the eave of the steel structure building roof;
s5, after the part of the roof M clamped by the lower clamp assembly 8 corresponds to the eave of the steel structure building, building personnel open the tension mechanism 3 in the hoisting device to perform the operation of releasing the steel cable 6, so that the whole roof M is gradually released until the roof M covers the roof;
and S6, welding the roof M to the roof of the steel structure building by a constructor in a welding mode.
In the specific implementation process, the hoisting device in the assembling type steel structure building integral roof hoisting installation method comprises a portal frame 1, an upper clamp assembly 7 and a lower clamp assembly 8 installed on the portal frame 1, a plurality of lifting hooks 9 with the same specification are fixedly welded at the top of the portal frame 1, the lifting hooks 9 are connected with a hook of a hoisting machine, a tension mechanism 3 used for connecting the upper clamp assembly 7 is installed on the portal frame 1, and the upper clamp assembly 7 is hoisted through the tension mechanism 3.
In a specific implementation process, as shown in fig. 1, 2 and 4, the upper clamp assembly 7 includes a top plate 71, a rear baffle 72, a blocking plate 73, a rotating plate 74 and a second hydraulic cylinder 75, the rear plate of the lower surface of the top plate 71 is fixedly provided with the rear baffle 72, the front plate of the lower surface of the top plate 71 is fixedly provided with the blocking plate 73, the blocking plate 73 is provided with the rotating plate 74 which is rotatably connected through a pin shaft, the front end surface of the blocking plate 73 is fixedly provided with a plurality of groups of second hydraulic cylinders 75 which are symmetrically distributed through screws, and output ends of the second hydraulic cylinders 75 are hinged to the outer wall of the rotating plate 74 through ball hinges;
It should be noted that: after the roof steel plate is welded and formed in advance, firstly, the lower clamp assembly 8 in the hoisting device is utilized to clamp and limit two sides of the M eave of the roof, after the clamping and limiting are finished, the driving motor 31 in the tension mechanism 3 is utilized to drive the winding roller 33 to rotate for paying off, so that the upper clamp assembly 7 falls to the ground, the top plate surface of the roof steel plate is placed in the top plate 71, the second hydraulic cylinder 7 is started to push the rotating plate 74 until the rotating plate 74 and the blocking plate 73 are positioned on the same plane, and the top plate surface of the roof steel plate is clamped in a U-shaped clamping plate formed by the top plate 71, the rear baffle plate 72, the blocking plate 73 and the rotating plate 74;
after the process is finished, the driving motor 31 in the tension mechanism 3 is started to drive the winding roller 33 to rotate reversely to perform the winding operation until the hoisting position at the top of the roof steel plate is gradually in a vertical state, so that the stability of the roof steel plate during hoisting is improved, and the wind resistance of the horizontal plane during the hoisting of the roof steel plate is reduced;
when the lifting machine lifts by crane the roofing steel sheet to the steel construction roof, the construction personnel will press from both sides the roofing M part of 8 centre grippings down and the corresponding back of eave of steel construction building, open pulling force mechanism 3 among the hoist device and put cable wire 6 operation, make roofing M's whole transfer gradually, after roofing M lid closes the roof, direct welding can, compare the tradition and adopt single steel sheet to move the roof portion then weld the form that forms the roof one by one, this operation is wholly hoisted again at the good steel sheet of comfortable regional welding, it is more convenient that efficient and the welding of whole roofing is better.
Referring to fig. 1 and 3, a middle cross beam 2 is fixedly welded to a portal frame 1 below a tension mechanism 3, two groups of first hydraulic cylinders 4 which are symmetrically distributed are fixedly mounted on the middle cross beam 2, an output end of each group of first hydraulic cylinders 4 is provided with an adjusting component 5, and output ends of the first hydraulic cylinders 4 and an upper clamp component 7 are mounted in the same direction of the portal frame 1; the adjusting assembly 5 comprises a mounting frame 51, a wire guide roller 52 and a buffer member 53, the mounting frame 51 is fixedly mounted at the output end of the first hydraulic cylinder 4, the wire guide roller 52 is rotatably connected to the mounting frame 51, the buffer member 53 is mounted on the mounting frame 51, the wire rope 6 passing through the wire guide roller 52 is buffered by the buffer member 53, the mounting frame 51 and the first hydraulic cylinder 4 are fixed by welding or screwing, and the wire rope 6 passes through the wire guide roller 52 and passes through the buffer member 53 to be fixedly connected with a top plate 71 in the upper clamp assembly 7; the buffer 53 includes a mounting plate 531, a rotating plate 532, a buffer roller 533 and a spring 534, the mounting plate 531 is fixedly mounted on the mounting frame 51, the rotating plate 532 is rotatably connected to the lower surface of the mounting plate 531, the buffer roller 533 is rotatably connected to the lower surface of the rotating plate 532 on the side far away from the wire roller 52, the upper surface of the rotating plate 532 on the side far away from the wire roller 52 is elastically connected to the mounting plate 531 through the spring 534, and the steel cable 6 bypasses the buffer roller 533 and is in rolling contact with the buffer roller 533.
It should be noted that: before the roof steel plate is hung, the first hydraulic cylinder 4 is started to enable the first hydraulic cylinder 4 to push out the mounting frame 51, so that the top of the roof steel plate is fixed and limited by the upper clamp assembly 7, after the roof steel plate is fixed and limited, the stroke of the first hydraulic cylinder 4 is recovered, and the tension mechanism 3 is used for taking up the roof steel plate, so that the roof steel plate has a good transition period when gradually changing into a vertical plane, meanwhile, the spring 534 in the buffer piece 53 is stretched after the buffer roller 533 is pulled by the gravity of the roof steel plate, and the problem that the steel cable 6 is broken due to the fact that the instantaneous tension is too large can;
when the roof steel plate is hung on the crane to be attached to the roof, the tension mechanism 3 is utilized to pay off, and meanwhile, the first hydraulic cylinder 4 is opened to enable the first hydraulic cylinder 4 to push out the mounting frame 51, so that the roof steel plate is gradually changed into an inclined plane, a good transition period is provided, and the roof steel plate is prevented from being declined too fast to cause the difficulty in adjusting the roof steel plate and correspond to the roof.
Referring to fig. 1, 5 and 6, a lower clamping assembly 8 is installed at the bottom of each of two gantry columns of a gantry 1, the lower clamping assembly 8 includes an installation block 81, a rotation member 82, a lead screw 83, a driving member 84, a limiting rod 85, a threaded connection block 86 and a clamping plate 87, the installation block 81 is installed at the bottom of the gantry column through the rotation member 82, the rotation member 82 includes a turntable 821 and a U-shaped connection steel 822, the turntable 821 is installed on the gantry column of the gantry 1 through a pin shaft in a rotating manner, one end of the U-shaped connection steel 822 is fixedly welded on the turntable 821, the other end of the U-shaped connection steel 822 is fixedly welded with the installation block 81, the rotatably connected lead screw 83 is installed on the installation block 81, two opposite thread sections are respectively opened at two sides of the lead screw 83, a threaded connection block 86 for threaded connection is installed on each thread section, clamping plates 87 which are oppositely distributed are installed on, equal fixed mounting has gag lever post 85 on the installation piece 81 of lead screw 83 both sides, and two gag lever posts 85 pass the slip through-hole that two threaded connection blocks 86 seted up respectively, install driving piece 84 on the installation piece 81, it is rotatory through driving piece 84 drive lead screw 83, it includes rotation motor 841 to state driving piece 84, driving gear 842, driven gear 843 and cingulum 844, rotation motor 841 passes through frame fixed mounting in the mounting groove that installation piece 81 was seted up, and the output fixed mounting who rotates motor 841 has driving gear 842, the fixed centre at lead screw 83 of fixed cup joint of driven gear 843, and driven gear 843 passes through cingulum 844 meshing connection with driving gear 842.
It should be noted that: when the eave part of the roof steel plate is fixed, the turntable 821 is rotated to enable the screw 83 to be in a vertical state, the roof steel plate is inserted between the two clamping plates 87 of the clamping plates 87, and the rotating motor 841 is started to drive the screw 83 to rotate until the clamping plates 87 clamp the roof steel plate;
subsequently, the wire is taken up by the tension mechanism 3, so that the screw 83 is in a nearly horizontal state as the turntable 821 rotates gradually when the roof steel plate gradually becomes a vertical surface, and then the wire is paid out by covering the tension mechanism 3, so that the screw 83 is in a nearly vertical state as the turntable 821 rotates gradually when the roof steel plate gradually becomes an inclined surface.
It should be noted that: this hoist device can not only hoist partial integral steel structure roof, can also carry out local integrated hoist and mount to large-scale steel structure roof.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an assembled steel construction building integral roof hoist and mount installation method which characterized in that, the concrete step is as follows:
s1, welding and forming the steel plate covered on one side surface of the roof in advance to form a roof M by the welded and formed steel plate;
s2, clamping and limiting two sides of the eave of the roof M by using a lower clamp assembly (8) in the hoisting device, and clamping and limiting the roof in the roof M by using an upper clamp assembly (7) in the hoisting device;
s3, the steel cable (6) is contracted by using a tension mechanism (3) in the hoisting device, so that the roof in the roof M is pulled up by the upper clamp assembly (7), the roof M is retracted and pulled into a portal frame (1) in the hoisting device, and the gravity center of the roof M is close to that of the portal frame (1);
s4, hanging a lifting hook (9) in the lifting device through a steel rope hook on the lifting machine, and lifting the lifting device to be flush with the eave of the steel structure building roof;
s5, after the part of the roof M clamped by the lower clamping assembly (8) corresponds to the eave of the steel structure building, building personnel open a tension mechanism (3) in the hoisting device to perform steel cable releasing (6) operation, so that the whole roof M is gradually released until the roof M covers the roof;
s6, welding the roof M to the roof of the steel structure building by a constructor in a welding mode; wherein the content of the first and second substances,
hoisting device includes portal frame (1) and goes up and press from both sides subassembly (7), its characterized in that: the gantry crane is characterized by further comprising a lower clamp assembly (8) arranged on the gantry frame (1), wherein a tension mechanism (3) used for connecting the upper clamp assembly (7) is arranged on the gantry frame (1), and the upper clamp assembly (7) is lifted through the tension mechanism (3);
go up clamp subassembly (7) and include roof (71), backplate (72), hinder board (73), commentaries on classics board (74) and second pneumatic cylinder (75), the backplate of roof (71) lower surface has backplate (72) along fixed mounting, and the front bezel of roof (71) lower surface has hinders board (73) along fixed mounting, hinder board (73) and install commentaries on classics board (74) of rotating the connection through the round pin axle, and the preceding terminal surface that hinders board (73) has second pneumatic cylinder (75) of multiunit symmetric distribution through screw fixed mounting, the output of second pneumatic cylinder (75) is articulated through the outer wall of ball hinge with commentaries on classics board (74).
2. The method for installing and hoisting the integral roof of the assembled steel structure building according to claim 1, wherein the method comprises the following steps: the tension mechanism (3) comprises a driving motor (31), a rotating rod (32) and winding rollers (33), the rotating rod (32) is rotatably installed on an inner frame surface of the portal frame (1) close to the top, two groups of symmetrically distributed winding rollers (33) are fixedly sleeved on the rotating rod (32), the driving motor (31) is fixedly installed on the outer wall of one side of the portal frame (1) through a rack, and the output end of the driving motor (31) is fixedly connected with one end of the rotating rod (32);
two groups of wire winding rollers (33) on the rotating rod (32) are wound with steel cables (6) with enough length, and the other ends of the two steel cables (6) are fixed on a top plate (71) in the upper clamping assembly (7) and are symmetrically distributed.
3. The method for installing and hoisting the integral roof of the assembled steel structure building according to claim 2, wherein the method comprises the following steps: a middle cross beam (2) is fixedly welded on the portal frame (1) below the tension mechanism (3), two groups of first hydraulic cylinders (4) which are symmetrically distributed are fixedly installed on the middle cross beam (2), and an adjusting component (5) is installed at the output end of each group of first hydraulic cylinders (4);
the output end of the first hydraulic cylinder (4) and the upper clamp assembly (7) are arranged in the same direction of the portal frame (1).
4. The method for installing and hoisting the integral roof of the assembled steel structure building according to claim 3, wherein the method comprises the following steps: the adjusting assembly (5) comprises a mounting frame (51), a wire guide roller (52) and a buffer piece (53), the mounting frame (51) is fixedly mounted at the output end of the first hydraulic cylinder (4), the wire guide roller (52) in rotary connection is mounted on the mounting frame (51), a buffer piece (53) is mounted on the mounting frame (51), and a steel cable (6) bypassing the wire guide roller (52) is buffered through the buffer piece (53);
the mounting frame (51) and the first hydraulic cylinder (4) are fixed in a welding or screw connection mode;
the steel cable (6) winds around the guide roller (52) and penetrates through the buffer piece (53) to be fixedly connected with the top plate (71) in the upper clamp assembly (7).
5. The method for installing and hoisting the integral roof of the assembled steel structure building according to claim 4, wherein the method comprises the following steps: the buffer piece (53) comprises a mounting plate (531), a rotating plate (532), a buffer roller (533) and a spring (534), the mounting plate (531) is fixedly mounted on the mounting frame (51), the rotating plate (532) in rotating connection is mounted on the lower surface of the mounting plate (531), the buffer roller (533) in rotating connection is mounted on the lower surface of one side, away from the wire guide roller (52), of the rotating plate (532), and the upper surface of one side, away from the wire guide roller (52), of the rotating plate (532) is elastically connected with the mounting plate (531) through the spring (534);
the steel cable (6) bypasses the buffer roller (533) and is in rolling contact with the buffer roller (533).
6. The method for installing and hoisting the integral roof of the assembled steel structure building according to claim 1, wherein the method comprises the following steps: the gantry crane comprises a gantry frame (1), wherein two gantry column bottoms of the gantry frame (1) are respectively provided with a lower clamping assembly (8), each lower clamping assembly (8) comprises an installation block (81), a rotating part (82), a lead screw (83), a driving part (84), a limiting rod (85), a threaded connection block (86) and a clamping plate (87), the installation blocks (81) are rotatably installed at the gantry column bottoms through the rotating parts (82), the installation blocks (81) are provided with the lead screws (83) in rotating connection, two opposite threaded sections are respectively arranged on two sides of each lead screw (83), each threaded connection block (86) is provided with a threaded connection, the two threaded connection blocks (86) are provided with the clamping plates (87) which are relatively distributed, the installation blocks (81) on two sides of each lead screw (83) are respectively and fixedly provided with the limiting rods (85), and the two limiting rods (85) respectively penetrate through sliding through holes formed in the threaded connection blocks (86), the mounting block (81) is provided with a driving piece (84), and the driving piece (84) drives the screw rod (83) to rotate.
7. The method for installing and hoisting the integral roof of the assembled steel structure building according to claim 6, wherein the method comprises the following steps: the rotating part (82) comprises a rotating disc (821) and U-shaped connecting steel (822), the rotating disc (821) is installed on a portal column of the portal frame (1) in a rotating mode through a pin shaft, one end of the U-shaped connecting steel (822) is fixedly welded to the rotating disc (821), and the other end of the U-shaped connecting steel (822) is fixedly welded to the installation block (81).
8. The method for installing and hoisting the integral roof of the assembled steel structure building according to claim 6, wherein the method comprises the following steps: driving piece (84) are including rotating motor (841), driving gear (842), driven gear (843) and cingulum (844), rotating motor (841) is in the mounting groove that installation piece (81) were seted up through frame fixed mounting, and the output fixed mounting who rotates motor (841) has driving gear (842), driven gear (843) is fixed to be cup jointed at the middle part of lead screw (83), and driven gear (843) passes through cingulum (844) meshing with driving gear (842) and is connected.
9. The method for installing and hoisting the integral roof of the assembled steel structure building according to claim 1, wherein the method comprises the following steps: the top of the portal frame (1) is fixedly welded with a plurality of lifting hooks (9) with the same specification.
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| CN116971548A (en) * | 2023-08-14 | 2023-10-31 | 广东省水利水电第三工程局有限公司 | Installation and adjustment device and adjustment method for greenhouse framework |
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